Tigerchocks AC201 Urethane Lightweight Commercial Aviation Wheel Chock, Yellow, 5.5 Length x 4.5 Width x 2.75 Height Features: The Tigerchocks AC201 urethane lightweight commercial aviation wheel chock consists of two polyurethane chocks connected by a 24-long nylon rope lanyard and can be placed around the wheel of a parked airplane to help hold it steady. Includes a 1 Year Manufacturer's Warranty. Height: 2.750 Width: 4.500 Length: 5.500 Weight: 2 lbs Color: Yellow